Icon for a portion of a display panel



FIG. 1 is a front view of an icon for a portion of a display panel showing the new design;

FIG. 2 is a front view of a second embodiment thereof;

FIG. 3 is a front view of a third embodiment thereof; and,

FIG. 4 is a front view of a fourth embodiment thereof.

The broken line drawing of a portion if a display panel in all views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an icon for a portion of a display panel, as shown and described. 